[Red popup] Change the message displayed when attempting a WSS connection

[SiminaRe]

Setup

AltTester Desktop 2.2.7 - 451d2a6
AltTester Unity SDK 2.3.0 - 6d2af31

Steps

1. Launch AltTester Desktop
2. Configure it to accept WSS
3. Instrument a game with AltTester Unity SDK
4. Launch the game

Result

Expected result

Adjust the message so it suggests what is needed to bypass this error

[SiminaRe]

Tested with AltTesterUnitySDK_2.3.0-7d2ccda. The message has been changed.

[SiminaRe]

Reopening to address this new issue: when the AltServer isn't on, the red popup with the above message is displayed.
In such cases, the green popup displaying Waiting to connect to AltTester Server on... should still be displayed.
L.E. This is affecting WebGL builds